A Wyoming Highway Patrol vehicle blocks access to Sinks Canyon Road near Lander on Friday as officials investigate the scene of an officer-involved shooting. According to official reports, a man was killed and a trooper was injured in an exchange of gunfire that occurred after a traffic stop ( Photo by Clair McFarland, Riverton Ranger) By Clair McFarland Via- Wyoming News Exchange RIVERTON — An exchange of gunfire Friday afternoon during a traffic stop left the driver of the stopped vehicle mortally shot and a Highway Patrol trooper wounded. The injured trooper was released from the hospital on Saturday and is expected to make a full recovery.